OpenTechnical

OT-2026-000034816

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000034816) never changes.

Identity and time

Publication numberOT-2026-000034816 · never reused
Internal UUID01a0ae76-1ed3-76de-994e-b997e3ad8d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034816
StatusPUBLIC

Content hashes

Canonical text4013e42d28fb6b35b3842f319ee6f766e28bbe13cea91ecdf06bd8a83a6da8ea
Markdown37b84fd5955ebb7caf9cd2b58f2fc717b3fa6509b609271ffc2ffb988ff619bb
PDF
Publication pagec3b2543cd2f73426af914f20a539d1eaded6edd062fdc9bca096bbe82e2a31e1
Manifest37c92034ce0989d7f3676c6dad617898d23f708d4003ecb1480ce5dfa0344132

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemR7v6eSs1lSAQOobH5dPtFAEtMms2WPyWQ2yE+IQ0ZQi1HFVNquPzsB0IEcFQKbgRdKp9WIw4mbOoa7RZY0mBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:19.808553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816
observed c3b2543cd2f73426af914f20a539d1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.789363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/manifest.json
observed 37c92034ce0989d7f3676c6dad617898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.773597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/publication.md
observed 37b84fd5955ebb7caf9cd2b58f2fc717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.756003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/publication.txt
observed 4013e42d28fb6b35b3842f319ee6f766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.031369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816
observed c3b2543cd2f73426af914f20a539d1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.010861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/manifest.json
observed 37c92034ce0989d7f3676c6dad617898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.990995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/publication.md
observed 37b84fd5955ebb7caf9cd2b58f2fc717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.975392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034816/publication.txt
observed 4013e42d28fb6b35b3842f319ee6f766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.